mydoom | dce87551d0d0b3c0653e5fd92e124ec451ed1f1505094935e9490ce1009259b4

General

Target

fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe
Size

28KB
MD5

fcb1f42ce3255631d40717e73bcb99fb
SHA1

4065445cbb9fc69f278f6b4ae0cf370eb60714b6
SHA256

dce87551d0d0b3c0653e5fd92e124ec451ed1f1505094935e9490ce1009259b4
SHA512

6208ecb40ef5c2be551c7ce4d1476bd81393a99988392845956550a0766cb51fa08e66a01c1fbf7aaafb7dd01da12c345d8f8be8069311827fa587618c0b4ff7
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNiYA:Dv8IRRdsxq1DjJcqfjv

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2428-17-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2428-56-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2428-79-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2428-81-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2428-86-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

pid	Process
2612	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe

UPX packed file 25 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2428-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2428-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015cb6-9.dat	upx
behavioral1/memory/2428-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2612-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2428-56-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2612-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2612-62-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-72.dat	upx
behavioral1/memory/2612-80-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2428-79-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2612-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2428-81-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2612-87-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2428-86-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe
File opened for modification	C:\Windows\java.exe	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe
File created	C:\Windows\java.exe	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2612	2428	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe	30
PID 2428 wrote to memory of 2612	2428	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe	30
PID 2428 wrote to memory of 2612	2428	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe	30
PID 2428 wrote to memory of 2612	2428	fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcb1f42ce3255631d40717e73bcb99fb_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4ECE.tmp

Filesize
28KB

MD5
a0a9b5d89815abc2c9ae909756b6f43d

SHA1
d69d8be3f53282a1d5f3335c578598a34ff79625

SHA256
a6e24f41ec67285799ca4e3f6a101119339c6b0c099386095fefa18a2bf80156

SHA512
09f83c16b03388f292250ff670c5babf3daf7629c4f9b4d9241982ab07d0e881e406556c731961984273a8ea5cfa2accddbdec24083aaeec5f4eb5925b92d113

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
45309d729a2f81d5502b8a4a5d527e47

SHA1
43895b918669bac8a2285f194ae79da1e6b08ceb

SHA256
abb0cd43cb2cd96896c253c334352bbbb96645c3a1ed6141047fc692a4792e34

SHA512
2c806847549c442d014d0a13d9ac1616078c45217d5954e325d5a3acbab54a2b52b4e46b7715f989401a7ab23a9d31d45c9d7fa4031e36e76b6c61f4ce4353d6

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2428-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2428-56-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-86-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-81-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2428-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-62-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-87-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2612-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads